UIImageViewModeScaleAspect

Create animation of a UIImageView between two contentMode ( UIViewContentModeScaleAspectFill / UIViewContentModeScaleAspectFit )

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Screenshot & Demo Video

To see a demo video, click here

How To Get Started

Add "UIImageViewModeScaleAspect.h" and "UIImageViewModeScaleAspect.m" in your xcodeprojet. Import the .h file :

``` objective-c #import "UIImageViewModeScaleAspect.h" ```

Init the UIImageViewModeScaleAspect. Important ! Do not forget to init the contentMode :

``` objective-c UIImageViewModeScaleAspect *myImage = [[UIImageViewModeScaleAspect alloc]initWithFrame:CGRectMake(0, 100, 200, 100)]; myImage.contentMode = UIViewContentModeScaleAspectFill; // Add the first contentMode myImage.image = [UIImage imageNamed:@"becomeapanda_tumblr_com"]; [self.view addSubview:myImage]; ```

Automatic animation

For convert UIViewContentModeScaleAspectFill to UIViewContentModeScaleAspectFit :

``` objective-c [myImage animateToScaleAspectFitToFrame:CGRectMake(0, 0, 200, 200) WithDuration:0.4f afterDelay:0.0f]; ```

For convert UIViewContentModeScaleAspectFit to UIViewContentModeScaleAspectFill :

``` objective-c [myImage animateToScaleAspectFillToFrame:CGRectMake(0, 0, 200, 200) WithDuration:0.4f afterDelay:0.0f]; ```

Manual animation

For convert UIViewContentModeScaleAspectFill to UIViewContentModeScaleAspectFit :

``` objective-c [myImage initToScaleAspectFillToFrame:CGRectMake(0, 100, 200, 100)];

[UIView animateWithDuration:0.4f delay:0.0f options:UIViewAnimationOptionAllowUserInteraction animations:^{ // // Others Animation // [myImage animaticToScaleAspectFill]; // // Others Animation // } completion:^(BOOL finished) { [myImage animateFinishToScaleAspectFill]; }];


<p>For convert UIViewContentModeScaleAspectFit to UIViewContentModeScaleAspectFill :</p>
``` objective-c
[myImage initToScaleAspectFitToFrame:CGRectMake(0, 0, 200, 200)];
        
[UIView animateWithDuration:0.4f delay:0.0f options:UIViewAnimationOptionAllowUserInteraction
                 animations:^{
                     //
                     // Others Animation
                     //
                     [myImage animaticToScaleAspectFit];
                     //
                     // Others Animation
                     //
                 } completion:^(BOOL finished) {
                     [myImage animateFinishToScaleAspectFit];
                 }];

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